IT1121600B - Processo per la preparazione delle microparticelle di silicone - Google Patents

Processo per la preparazione delle microparticelle di silicone

Info

Publication number
IT1121600B
IT1121600B IT23825/79A IT2382579A IT1121600B IT 1121600 B IT1121600 B IT 1121600B IT 23825/79 A IT23825/79 A IT 23825/79A IT 2382579 A IT2382579 A IT 2382579A IT 1121600 B IT1121600 B IT 1121600B
Authority
IT
Italy
Prior art keywords
preparation
silicon microparticles
microparticles
silicon
Prior art date
Application number
IT23825/79A
Other languages
English (en)
Other versions
IT7923825A0 (it
Original Assignee
Dow Corning
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Dow Corning filed Critical Dow Corning
Publication of IT7923825A0 publication Critical patent/IT7923825A0/it
Application granted granted Critical
Publication of IT1121600B publication Critical patent/IT1121600B/it

Links

Classifications

    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N25/00—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests
    • A01N25/26—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests in coated particulate form
    • A01N25/28—Microcapsules or nanocapsules
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K9/00—Medicinal preparations characterised by special physical form
    • A61K9/14—Particulate form, e.g. powders, Processes for size reducing of pure drugs or the resulting products, Pure drug nanoparticles
    • A61K9/16—Agglomerates; Granulates; Microbeadlets ; Microspheres; Pellets; Solid products obtained by spray drying, spray freeze drying, spray congealing,(multiple) emulsion solvent evaporation or extraction
    • A61K9/1605—Excipients; Inactive ingredients
    • A61K9/1629—Organic macromolecular compounds
    • A61K9/1641—Organic macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polyethylene glycol, poloxamers
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K9/00—Medicinal preparations characterised by special physical form
    • A61K9/48—Preparations in capsules, e.g. of gelatin, of chocolate
    • A61K9/50—Microcapsules having a gas, liquid or semi-solid filling; Solid microparticles or pellets surrounded by a distinct coating layer, e.g. coated microspheres, coated drug crystals
    • A61K9/5005—Wall or coating material
    • A61K9/5021—Organic macromolecular compounds
    • A61K9/5031—Organic macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polyethylene glycol, poly(lactide-co-glycolide)
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J13/00—Colloid chemistry, e.g. the production of colloidal materials or their solutions, not otherwise provided for; Making microcapsules or microballoons
    • B01J13/02—Making microcapsules or microballoons
    • B01J13/06—Making microcapsules or microballoons by phase separation
    • B01J13/14—Polymerisation; cross-linking

Landscapes

  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Animal Behavior & Ethology (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Epidemiology (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Medicinal Chemistry (AREA)
  • Organic Chemistry (AREA)
  • Dentistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Zoology (AREA)
  • Wood Science & Technology (AREA)
  • Toxicology (AREA)
  • Plant Pathology (AREA)
  • Pest Control & Pesticides (AREA)
  • Dispersion Chemistry (AREA)
  • Agronomy & Crop Science (AREA)
  • Environmental Sciences (AREA)
  • Manufacturing Of Micro-Capsules (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Medicinal Preparation (AREA)
  • Immobilizing And Processing Of Enzymes And Microorganisms (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)
  • Polymerisation Methods In General (AREA)
  • Degasification And Air Bubble Elimination (AREA)
  • Colloid Chemistry (AREA)
IT23825/79A 1978-06-27 1979-06-25 Processo per la preparazione delle microparticelle di silicone IT1121600B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/919,588 US4370160A (en) 1978-06-27 1978-06-27 Process for preparing silicone microparticles

Publications (2)

Publication Number Publication Date
IT7923825A0 IT7923825A0 (it) 1979-06-25
IT1121600B true IT1121600B (it) 1986-04-02

Family

ID=25442335

Family Applications (1)

Application Number Title Priority Date Filing Date
IT23825/79A IT1121600B (it) 1978-06-27 1979-06-25 Processo per la preparazione delle microparticelle di silicone

Country Status (9)

Country Link
US (1) US4370160A (it)
JP (2) JPS6025185B2 (it)
AU (1) AU524895B2 (it)
BR (1) BR7903976A (it)
CA (1) CA1129373A (it)
DE (2) DE2925305A1 (it)
FR (1) FR2429616A1 (it)
GB (1) GB2026513B (it)
IT (1) IT1121600B (it)

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Also Published As

Publication number Publication date
US4370160A (en) 1983-01-25
CA1129373A (en) 1982-08-10
GB2026513B (en) 1982-12-08
AU4790879A (en) 1980-01-03
GB2026513A (en) 1980-02-06
AU524895B2 (en) 1982-10-07
DE2925305A1 (de) 1980-01-03
DE2925305C2 (it) 1987-08-20
FR2429616A1 (fr) 1980-01-25
JPS6025185B2 (ja) 1985-06-17
IT7923825A0 (it) 1979-06-25
BR7903976A (pt) 1980-03-25
FR2429616B1 (it) 1981-09-04
JPS6365692B2 (it) 1988-12-16
JPS555787A (en) 1980-01-16
JPS60106837A (ja) 1985-06-12
DE2954367C2 (it) 1989-06-29

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